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产品详细说明
☆ 材质密实 过滤水中的悬浮颗粒 鱼的粪便等
☆ 放在滤槽的最上面
☆ 属物理滤材 无任何污染 绿色环保滤料
☆ 同时能培养硝化菌 处理水中有害元素
☆ 尺寸可根据需要裁剪
★ dense material to filter the particles: feed and excrement , etc
★ being put in the filter tank
★ physical material without any pollution, being green filter
★ culture nitrobacterium to deal with the harmful element
★ various size to choose for customers’ need
